PlayStation 4 dev idc released new scripts on Github that invoke the PS4 kernel to decrypt the contents of a PS4 update file (firmware) and pup unpacker scripts, now before you ask no this release is not going to get you any steps closer to a PS4 CFW but as zecoxao outlines on his twitter this can help "porting webkit exploit everywhere, for instance. you can decrypt any usermode elfs from 1.00 to 3.55/3.70 because sony forgot to change keyset",
PuP Decryptionpup_decrypt: A utility to invoke the PS4 kernel to decrypt the contents of an update file. The default (hardcoded) operation is to decrypt /mnt/usb0/PS4UPDATE.PUP. This will output a number of files (depending if a normal or a recovery update):
These decrypted updates can then be further unpacked using a tool capable of doing so.
Note The PS4 will refuse to decrypt updates in some cases: Versions older than the installed version (for the most part, there's exceptions for things like beta versions).
Versions for a different product code (retail cannot decrypt test or debug updates)
View attachment 8021
pup_unpack A utility to unpack PS4 update blobs that have been previously decrypted using pup_decrypt.
Note This utility will not unpack the contents of nested filesystems. The filesystem images in updates are FAT32, exFAT, etc images and can be mounted or unpacked with other tools.
via zecoxao's Twitter
- Q (via twitter): What could this lead to ?
- A (via zecoxao): porting webkit exploit everywhere, for instance . you can decrypt any usermode elfs from 1.00 to 3.55/3.70 because sony forgot to change keyset
- Q (via Twitter): Is the first step to actual CFW, is there a way to repack and encrypt the PUP again?
- A (via zecoxao): no and there never will be unless you own a 15 million dollar quantum computer
Source Code (via Github):
PS4 PS4 PuP Decrypt and Unpacker by idc - (Good for webkit exploits?)
By LightningMods on Jan 31, 2017 at 12:43 AM
PS4 NES - Full Speed NES Emulator (5.05 FW) by m0rph3us1987
Last week we seen developer flatz add C# Code & OpenGL Support to the PS4 and slowly it has appeared that the homebrew scene is starting to gain some traction as we keep seeing new release and progress made forward,. Today developer m0rph3us1987 take's his POC NES Emulator and adds a full-Speed, the emulation is based on LaiNES emulator..With this version the dev has also stated PAL Roms will have better emulation then NTSC roms currently. You can see a sample of some footage of this ps4 homebrew in action via a short clip provided by @wa7ly on twitter.
This release is only for PS4 Firmware 5.05 (exploited)
4.83 OVERFLOW COBRA (v7.3 lite) CFW &- NoBD / NoBT versions Released@Bobby_Downgrades not only released a suite of 4.83 STANDARD CEX CFW for the PS3, but also a suite of 4.83 COBRA CFW, developer Alexander recently also released a COBRA CFW now he two will differ a bit as this one from @Bobby_Downgrades is based off COBRA v7.3 (a lite version), so while both are 4.83 Cobra CFW the payloads while very similar are different versions.. The COBRA Editions contain all the Standard CEX features plus the extra Cobra features, plugin support, ISO Support, Network Streaming Support for Game over your local network are just some of those features added with the Cobra payload. Additional information about this release can see below along with the NoBD and NoBT editions to go along for those damaged console that rely on those type of builds.Continue reading
4.83 OVERFLOW DualBoot Edition - The OFW for CFW user's@Bobby_Downgrades has provided 4.83 STANDARD CEX & 4.83 COBRA CFW, along with noBD & noBT versions for those console in need,but the developer did not stop there, as Bobby has one more firmware related released and this is a 4.83 DUALBOOT firmware.. Dualboot (DB) are not a CFW but rather an OFW for CFW user's. This is simply is a 4.83 OFW that has slight changes to allow the re-installation of a CFW.. THIS IS ONLY FOR CONSOLE THAT ARE ALREADY ON CFW , The idea and purpose behind it, is to allow a CFW user to play their disc based games on PSN without risk of a ban for being on a CFW. Has proved to be very effective. Then when you are done playing and want to return to your CFW, simple install a new CFW pup from the XMB, but again this is ONLY for CFW user's.Continue reading
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